CVE-2021-44568
Publication date 21 February 2022
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.
Status
Package | Ubuntu Release | Status |
---|---|---|
libsolv | 24.10 oracular |
Not affected
|
24.04 LTS noble |
Not affected
|
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Needs evaluation
|
|
18.04 LTS bionic |
Needs evaluation
|
|
16.04 LTS xenial |
Needs evaluation
|
|
14.04 LTS trusty | Ignored end of standard support |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 · Medium |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References
Other references
- https://github.com/openSUSE/libsolv/issues/425
- https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec (0.7.17)
- https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1940
- https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/resolve_dependencies-1995
- https://www.cve.org/CVERecord?id=CVE-2021-44568